Thread: Puzzles for you
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  #20 (permalink)  
Old 05-26-2006, 01:21 PM
nokia-zone nokia-zone is offline
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Join Date: May 2006
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In jan 1 there was a lotus in a pond.
The number of lotus is doubled every night.And at last one day the pond was full of lotuses on jan 30.
Problem:-
When was the pond halfly filled,i need the date?
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